LG PW800 Service Manual page 12

13. White Balance (CCA) Adjustment.
13.1. Used Device
(1) Photometer (Model Name: CL-200) 1EA --> Measure color
coordinate at the center of the projection screen
(2) Adjustment remote controller 1EA
(3) Interface board - 1EA, RS-232C Cable - 1EA
(4) CL200A UART Cable (T - A11), USB Cable - 1EA
13.2. Composition of the equipment
(Fig. 13-2-1) Device Setting Diagram
13.3. Adjustment Method
* Heat Run for at least 5 min. before the adjustment.
(1) After connecting as in the Device Composition Diagram,
select "ADJ" of the adjustment remote controller to enter
the adjustment mode.
(2) Select 2.DDP AUTO CCA(PC) and enter the right direction
key(►) of the adjustment remote controller to enter.
Then, it becomes the screen state as in the right side
of Figure 2, and it means that the SET is ready for CCA
adjustment.
(Fig. 13-3-1) Selection Category on ADJ Menu
(3) When 'ProjectorWB.exe' as the following icon is run in
CCA adjustment PC screen, window as in (Fig. 13-3-2) is
displayed.
(4) Click 'Model' to select 'PW800' model, and click
'Adjustment', then the adjustment starts.
(Fig. 13-3-2)
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
(5) If adjustment is properly completed, 'OK' as in the bottom
left figure is displayed.
If it is 'NG' as in the bottom left figure, check again whether
device composition is properly done as in (Fig. 13-3-3),
and click 2) 'Adjustment' again to try re-adjustment.
(6) Press the "Back" or "Exit" key when the compensation is
completed. Then a window will be displayed to verify it is
completed normally as shown in (Fig. 13-3-4). If the CCA
result is OK, select YES on the screen as shown in (Fig.
13-3-4); if NG, select NO.
(7) You can check whether the result of CCA adjustment is
OK or NG by selecting "IN-START" > 1. Adjust Check > 2.
Adjust White Balance. If you selected Yes on the screen as
shown in (Fig. 13-3-4), OK is displayed; if you selected NO
then NG is displayed. (Fig. 13-3-5)
Color Color
Temp Coordinate
Medium X
Y
Warm X
Y
Cool X
Y
- 12 -
(Fig. 13-3-3)
(Fig. 13-3-4)
(Fig.13-3-5)
Min Typ Max
0.268 0.283 0.298
0.282 0.297 0.312
0.298 0.313 0.328
0.311 0.326 0.341
0.261 0.276 0.291
0.268 0.283 0.298
LGE Internal Use Only